Latest Quicktime Updates disable Adobe After Effects

Slashdot is reporting that there have been numerous posts on Apple’s discussion forums (most of which have been deleted – gotta love that), and also several posts on video editing blogs about the fact that Apple’s QT 7.4 update does more than just enable iTunes rental – it also disables Adobe After Effects.

If you attempt to render video files after this update you’ll get a DRM permissions error.

If you haven’t updated yet and need After Effects to work – DON’T – because there is NO WAY to roll back to the previous version of Quicktime without doing a full OSX reinstall.



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  1. Claims of “DRM” problems are false. There *is* a bug, but it appears to be a file permissions problem and it does not affect all users of QT7.4.